@article{ref1,
title="The role of surveillance in reducing morbidity and mortality from injuries",
journal="MMWR: Morbidity and mortality weekly report",
year="1992",
author="Langley, John Desmond",
volume="41",
number="Suppl 1",
pages="181-190",
abstract="Abstract unavailable.",
language="en",
issn="0149-2195",
doi="",
url="http://dx.doi.org/"
}